Sound Level Meter Bedrock SM90 Sound Level Meter Sound Analyzer Nor140 Bedrock AM100 Sound Level Meter Sound Level Meter Nor145 Bedrock SM50 STIPA METER Nor150 Sound Intensity Measurement Environmental Monitor Nor139 Sound Level Meter Nor 131/ Nor132 Sound Level Meter Nor103 Thailand(+66) 2121-4399Malaysia(+60) 340-6521-64Vietnam(+84) 9022-0304-0 Hong kong(+852) 819-88-469India(+91) 821-721-5367Netherlands(+31) 6429-95687 Indonesia(+62) 21-5010-5025Singapore(+60) 340-6521-67Myanmar(+95) 9977-4422-38